The devastating shooting at the Route 91 Harvest Music Festival that took upward of 50 lives and injured 200 has left people across the world reeling. Many celebrities have come forward with words of support, including Flip or Flop star Christina El Moussa. Costar, estranged husband, and father to her two young children Tarek El Moussa was in Las Vegas attending the festival but left shortly before the shooting began. Despite the couple's ongoing divorce proceedings, this scary close call put things into perspective, prompting Christina to post the poignant Instagram message below. In the caption, she wrote, "This hit WAY too close to home. This tragedy puts a lot of things in perspective...Life is short. Be kind. Be grateful."